Works by DeFries, John C.

Results: 73

Explaining the sex difference in dyslexia.

Published in:

Journal of Child Psychology & Psychiatry, 2017, v. 58, n. 6, p. 719, doi. 10.1111/jcpp.12691

By:

Arnett, Anne B.;
Pennington, Bruce F.;
Peterson, Robin L.;
Willcutt, Erik G.;
DeFries, John C.;
Olson, Richard K.

Publication type:

Article

Sex differences in ADHD symptom severity.

Published in:

Journal of Child Psychology & Psychiatry, 2015, v. 56, n. 6, p. 632, doi. 10.1111/jcpp.12337

By:

Arnett, Anne B.;
Pennington, Bruce F.;
Willcutt, Erik G.;
DeFries, John C.;
Olson, Richard K.

Publication type:

Article

A multiple deficit model of reading disability and attention-deficit/hyperactivity disorder: searching for shared cognitive deficits.

Published in:

Journal of Child Psychology & Psychiatry, 2011, v. 52, n. 5, p. 547, doi. 10.1111/j.1469-7610.2010.02346.x

By:

McGrath, Lauren M.;
Pennington, Bruce F.;
Shanahan, Michelle A.;
Santerre‐Lemmon, Laura E.;
Barnard, Holly D.;
Willcutt, Erik G.;
DeFries, John C.;
Olson, Richard K.

Publication type:

Article

Genotype-environment interaction in children's adjustment to parental separation.

Published in:

Journal of Child Psychology & Psychiatry, 2003, v. 44, n. 6, p. 849, doi. 10.1111/1469-7610.00169

By:

O'Connor, Thomas G.;
Caspi, Avshalom;
DeFries, John C.;
Plomin, Robert

Publication type:

Article

Hyperactivity and Spelling Disability: Testing for Shared Genetic Aetiology.

Published in:

Journal of Child Psychology & Psychiatry, 1993, v. 34, n. 7, p. 1137, doi. 10.1111/j.1469-7610.1993.tb01779.x

By:

Stevenson, Jim;
Pennington, Bruce F.;
Gilger, Jeffrey W.;
DeFries, John C.;
Gillis, Jacquelyn J.

Publication type:

Article

Genetic and Environmental Etiologies of the Longitudinal Relations Between Prereading Skills and Reading.

Published in:

Child Development, 2015, v. 86, n. 2, p. 342, doi. 10.1111/cdev.12295

By:

Christopher, Micaela E.;
Hulslander, Jacqueline;
Byrne, Brian;
Samuelsson, Stefan;
Keenan, Janice M.;
Pennington, Bruce;
DeFries, John C.;
Wadsworth, Sally J.;
Willcutt, Erik;
Olson, Richard K.

Publication type:

Article

Independent genome-wide scans identify a chromosome 18 quantitative-trait locus influencing dyslexia.

Published in:

Nature Genetics, 2002, v. 30, n. 1, p. 86, doi. 10.1038/ng792

By:

Fisher, Simon E.;
Francks, Clyde;
Marlow, Angela J.;
MacPhie, I. Laurence;
Newbury, Dianne F.;
Cardon, Lon R.;
Ishikawa-Brush, Yumiko;
Richardson, Alex J.;
Talcott, Joel B.;
Gayán, Javier;
Olson, Richard K.;
Pennington, Bruce F.;
Smith, Shelley D.;
DeFries, John C.;
Stein, John F.;
Monaco, Anthony P.

Publication type:

Article

Genome-wide association scan identifies new variants associated with a cognitive predictor of dyslexia.

Published in:

Translational Psychiatry, 2019, v. 9, n. 1, p. 1, doi. 10.1038/s41398-019-0402-0

By:

Gialluisi, Alessandro;
Andlauer, Till F. M.;
Mirza-Schreiber, Nazanin;
Moll, Kristina;
Becker, Jessica;
Hoffmann, Per;
Ludwig, Kerstin U.;
Czamara, Darina;
St Pourcain, Beate;
Brandler, William;
Honbolygó, Ferenc;
Tóth, Dénes;
Csépe, Valéria;
Huguet, Guillaume;
Morris, Andrew P.;
Hulslander, Jacqueline;
Willcutt, Erik G.;
DeFries, John C.;
Olson, Richard K.;
Smith, Shelley D.

Publication type:

Article

79 Processing Speed is Related to the General Psychopathology Factor in Youth.

Published in:

2023

By:

Kramer, Eliza;
Willcutt, Erik G;
DeFries, John C;
Pennington, Bruce F;
McGrath, Lauren M

Publication type:

Abstract

Genetic Etiologies of Comorbidity and Stability for Reading Difficulties and ADHD: A Replication Study.

Published in:

2016

By:

Wadsworth, Sally J.;
DeFries, John C.;
Willcutt, Erik G.;
Pennington, Bruce F.;
Olson, Richard K.

Publication type:

journal article

A Longitudinal Adoption Study of Substance Use Behavior in Adolescence.

Published in:

2016

By:

Huibregtse, Brooke M.;
Corley, Robin P.;
Wadsworth, Sally J.;
Vandever, Joanna M.;
DeFries, John C.;
Stallings, Michael C.

Publication type:

journal article

The Colorado Longitudinal Twin Study of Reading Difficulties and ADHD: Etiologies of Comorbidity and Stability.

Published in:

2015

By:

Wadsworth, Sally J.;
DeFries, John C.;
Willcutt, Erik G.;
Pennington, Bruce F.;
Olson, Richard K.

Publication type:

journal article

Multiple Regression Analysis of Reading Performance Data from Twin Pairs with Reading Difficulties and Nontwin Siblings: The Augmented Model.

Published in:

Twin Research & Human Genetics, 2012, v. 15, n. 1, p. 116, doi. 10.1375/twin.15.1.116

By:

Wadsworth, Sally J.;
Olson, Richard K.;
Willcutt, Erik G.;
DeFries, John C.

Publication type:

Article

Etiology of the stability of reading difficulties: the longitudinal twin study of reading disabilities.

Published in:

2007

By:

Astrom, Raven L.;
Wadsworth, Sally J.;
DeFries, John C.

Publication type:

journal article

A behaviour-genetic analysis of orthographic learning, spelling and decoding.

Published in:

Journal of Research in Reading, 2008, v. 31, n. 1, p. 8, doi. 10.1111/j.1467-9817.2007.00358.x

By:

Byrne, Brian;
Coventry, William L.;
Olson, Richard K.;
Hulslander, Jacqueline;
Wadsworth, Sally;
DeFries, John C.;
Corley, Robin;
Willcutt, Erik G.;
Samuelsson, Stefan

Publication type:

Article

Genetic and environmental influences on early literacy.

Published in:

Journal of Research in Reading, 2006, v. 29, n. 1, p. 33, doi. 10.1111/j.1467-9817.2006.00291.x

By:

Byrne, Brian;
Olson, Richard K.;
Samuelsson, Stefan;
Wadsworth, Sally;
Corley, Robin;
DeFries, John C.;
Willcutt, Erik

Publication type:

Article

Genetic and environmental influences on reading and listening comprehension.

Published in:

Journal of Research in Reading, 2006, v. 29, n. 1, p. 75, doi. 10.1111/j.1467-9817.2006.00293.x

By:

Keenan, Janice M.;
Betjemann, Rebecca S.;
Wadsworth, Sally J.;
DeFries, John C.;
Olson, Richard K.

Publication type:

Article

Evidence for Major Gene Transmission of Developmental Dyslexia.

Published in:

JAMA: Journal of the American Medical Association, 1991, v. 266, n. 11, p. 1527, doi. 10.1001/jama.1991.03470110073036

By:

Pennington, Bruce F.;
Gilger, Jeffrey W.;
Pauls, David;
Smith, Sandra A.;
Smith, Shelley D.;
DeFries, John C.

Publication type:

Article

Gender ratios for reading difficulties.

Published in:

Dyslexia (10769242), 2009, v. 15, n. 3, p. 239, doi. 10.1002/dys.389

By:

Hawke, Jesse L.;
Olson, Richard K.;
Willcut, Erik G.;
Wadsworth, Sally J.;
DeFries, John C.

Publication type:

Article

Genetic influences on reading difficulties in boys and girls: the Colorado twin study.

Published in:

2006

By:

Hawke, Jesse L.;
Wadsworth, Sally J.;
DeFries, John C.

Publication type:

journal article

Are RAN- and phonological awareness-deficits additive in children with reading disabilities?

Published in:

Dyslexia (10769242), 2001, v. 7, n. 3, p. 125, doi. 10.1002/dys.198

By:

Compton, Donald L.;
DeFries, John C.;
Olson, Richard K.

Publication type:

Article

Multivariate behavioral genetics analysis of achievement and cognitive measures in reading-...

Published in:

Human Biology, 1998, v. 70, n. 2, p. 215

By:

Light, Jacquelyn Gillis;
Defries, John C.;
Olsen, Richard K.

Publication type:

Article

CATSLife: A Study of Lifespan Behavioral Development and Cognitive Functioning - Corrigendum.

Published in:

2019

By:

Wadsworth, Sally J.;
Corley, Robin P.;
Munoz, Elizabeth;
Trubenstein, B. Paige;
Knaap, Elijah;
DeFries, John C.;
Plomin, Robert;
Reynolds, Chandra A.;
CATSLife Team

Publication type:

journal article

CATSLife: A Study of Lifespan Behavioral Development and Cognitive Functioning.

Published in:

2019

By:

Wadsworth, Sally J.;
Corley, Robin P.;
Munoz, Elizabeth;
Trubenstein, B. Paige;
Knaap, Elijah;
DeFries, John C.;
Plomin, Robert;
Reynolds, Chandra A.;
CATSLife Team

Publication type:

journal article

Longitudinal Study of Reading Disability and Attention-Deficit/Hyperactivity Disorder: Implications for Education.

Published in:

Mind, Brain & Education, 2007, v. 1, n. 4, p. 181, doi. 10.1111/j.1751-228X.2007.00019.x

By:

Willcutt, Erik G.;
Betjemann, Rebecca S.;
Pennington, Bruce F.;
Olson, Richard K.;
DeFries, John C.;
Wadsworth, Sally J.

Publication type:

Article

Understanding Comorbidity Between Specific Learning Disabilities.

Published in:

New Directions for Child & Adolescent Development, 2019, v. 2019, n. 165, p. 91, doi. 10.1002/cad.20291

By:

Willcutt, Erik G.;
McGrath, Lauren M.;
Pennington, Bruce F.;
Keenan, Janice M.;
DeFries, John C.;
Olson, Richard K.;
Wadsworth, Sally J.

Publication type:

Article

Developmental dyslexia: genetic dissection of a complex cognitive trait.

Published in:

Nature Reviews Neuroscience, 2002, v. 3, n. 10, p. 767, doi. 10.1038/nrn936

By:

Fisher, Simon E.;
DeFries, John C.

Publication type:

Article

Refinement of the 6p21.3 quantitative trait locus influencing dyslexia: linkage and association analyses.

Published in:

Human Genetics, 2004, v. 115, n. 2, p. 128, doi. 10.1007/s00439-004-1126-6

By:

Deffenbacher, Karen E.;
Kenyon, Judith B.;
Hoover, Denise M.;
Olson, Richard K.;
Pennington, Bruce F.;
DeFries, John C.;
Smith, Shelley D.

Publication type:

Article

Colorado longitudinal twin study of reading disability.

Published in:

Annals of Dyslexia, 2007, v. 57, n. 2, p. 139, doi. 10.1007/s11881-007-0009-7

By:

Wadsworth, Sally J.;
DeFries, John C.;
Olson, Richard K.;
Willcutt, Erik G.

Publication type:

Article

Longitudinal Twin Study of Early Reading Development in Three Countries: Preliminary Results.

Published in:

Annals of Dyslexia, 2002, v. 52, p. 49

By:

Byrne, Brian;
Delaland, Cara;
Fielding-Barnsley, Ruth;
Quain, Peter;
Samuelson, Stefan;
Høien, Torleiv;
Corley, Robin;
DeFries, John C.;
Wadsworth, Sally;
Willcutt, Erik;
Olson, Richard K.

Publication type:

Article

Genetic and Environmental Influences on Rapid Naming and Reading Ability: A Twin Study.

Published in:

Annals of Dyslexia, 2001, v. 51, p. 231, doi. 10.1007/s11881-001-0012-3

By:

Davis, Chayna J.;
Knopik, Valerie S.;
Olson, Richard K.;
Wadsworth, Sally I.;
DeFries, John C.

Publication type:

Article

Gender differences in cognitive abilities of opposite-sex and same-sex twin pairs with reading disabilty.

Published in:

1996

By:

Knopik, Valerie S.;
DeFries, John C.;
Alarcón, Maricela;
Knopik, V S;
Defries, J C;
Alarcón, M

Publication type:

journal article

Differential genetic etiology of reading disability as a function of IQ.

Published in:

Journal of Learning Disabilities, 2000, v. 33, n. 2, p. 192, doi. 10.1177/002221940003300207

By:

Wadsworth, Sally J.;
Olson, Richard K.;
Pennington, Bruce F.;
DeFries, John C.

Publication type:

Article

A twin study of mathematics disability.

Published in:

Journal of Learning Disabilities, 1997, v. 30, n. 6, p. 617

By:

Alarcon, Maricela;
DeFries, John C.

Publication type:

Article

Comorbidity of reading and mathematics disabilities: Genetic and environmental etiologies.

Published in:

Journal of Learning Disabilities, 1995, v. 28, n. 2, p. 96, doi. 10.1177/002221949502800204

By:

Light, Jacquelyn Gillis;
DeFries, John C.

Publication type:

Article

The External Validity of Age-Versus IQ-Discrepancy Definitions of Reading Disability: Lessons From a Twin Study.

Published in:

Journal of Learning Disabilities, 1992, v. 25, n. 9, doi. 10.1177/002221949202500904

By:

Pennington, Bruce F.;
Gilger, Jeffrey W.;
Olson, Richard K.;
DeFries, John C.

Publication type:

Article

A Twin MRI Study of Size Variations in the Human Brain.

Published in:

Journal of Cognitive Neuroscience, 2000, v. 12, n. 1, p. 223, doi. 10.1162/089892900561850

By:

Pennington, Bruce F.;
Filipek, Pauline A.;
Lefly, Dianne;
Chhabildas, Nomita;
Kennedy, David N.;
Simon, Jack H.;
Filley, Christopher M.;
Galaburda, Albert;
Defries, John C.

Publication type:

Article

Quantitative Trait Locus Mapping in Laboratory Mice Derived From a Replicated Selection...

Published in:

Genetics, 2001, v. 158, n. 3, p. 1217, doi. 10.1093/genetics/158.3.1217

By:

Turri, Maria Grazia;
Henderson, Norman D.;
DeFries, John C.;
Flint, Jonathan

Publication type:

Article

Identification of Candidate Genes for Dyslexia Susceptibility on Chromosome 18.

Published in:

PLoS ONE, 2010, v. 5, n. 10, p. 1, doi. 10.1371/journal.pone.0013712

By:

Scerri, Thomas S.;
Paracchini, Silvia;
Morris, Andrew;
MacPhie, I. Laurence;
Talcott, Joel;
Stein, John;
Smith, Shelley D.;
Pennington, Bruce F.;
Olson, Richard K.;
DeFries, John C.;
Monaco, Anthony P.

Publication type:

Article

Whole-Genome Sequencing of Inbred Mouse Strains Selected for High and Low Open-Field Activity.

Published in:

Behavior Genetics, 2021, v. 51, n. 1, p. 68, doi. 10.1007/s10519-020-10014-y

By:

Thomas, Aimee L.;
Evans, Luke M.;
Nelsen, Michaela D.;
Chesler, Elissa J.;
Powers, Matthew S.;
Booher, Winona C.;
Lowry, Christopher A.;
DeFries, John C.;
Ehringer, Marissa A.

Publication type:

Article

DeFries-Fulker Analysis of Longitudinal Reading Performance Data from Twin Pairs Ascertained for Reading Difficulties and from Their Nontwin Siblings.

Published in:

Behavior Genetics, 2011, v. 41, n. 5, p. 660, doi. 10.1007/s10519-011-9445-6

By:

Astrom, Raven L.;
Wadsworth, Sally J.;
Olson, Richard K.;
Willcutt, Erik G.;
DeFries, John C.

Publication type:

Article

A Family Based Association Study of DRD4, DAT1, and 5HTT and Continuous Traits of Attention-Deficit Hyperactivity Disorder.

Published in:

Behavior Genetics, 2011, v. 41, n. 1, p. 165, doi. 10.1007/s10519-010-9437-y

By:

Bidwell, L. Cinnamon;
Willcutt, Erik G.;
McQueen, Matthew B.;
DeFries, John C.;
Olson, Richard K.;
Smith, Shelley D.;
Pennington, Bruce F.

Publication type:

Article

Genetic Covariation Between Brain Volumes and IQ, Reading Performance, and Processing Speed.

Published in:

Behavior Genetics, 2010, v. 40, n. 2, p. 135, doi. 10.1007/s10519-009-9328-2

By:

Betjemann, Rebecca S.;
Johnson, Erin Phinney;
Barnard, Holly;
Boada, Richard;
Filley, Christopher M.;
Filipek, Pauline A.;
Willcutt, Erik G.;
DeFries, John C.;
Pennington, Bruce F.

Publication type:

Article

Haseman and Elston Sib-Pair Linkage Analysis: A Brief Historical Note.

Published in:

Behavior Genetics, 2010, v. 40, n. 1, p. 1, doi. 10.1007/s10519-009-9295-7

By:

DeFries, John C.

Publication type:

Article

The Developmental Etiology of High IQ.

Published in:

Behavior Genetics, 2009, v. 39, n. 4, p. 393, doi. 10.1007/s10519-009-9268-x

By:

Brant, Angela M.;
Haberstick, Brett C.;
Corley, Robin P.;
Wadsworth, Sally J.;
DeFries, John C.;
Hewitt, John K.

Publication type:

Article

Heritability of High Reading Ability and its Interaction with Parental Education.

Published in:

Behavior Genetics, 2009, v. 39, n. 4, p. 427, doi. 10.1007/s10519-009-9263-2

By:

Friend, Angela;
DeFries, John C.;
Olson, Richard K.;
Pennington, Bruce;
Harlaar, Nicole;
Byrne, Brian;
Samuelsson, Stefan;
Willcutt, Erik G.;
Wadsworth, Sally J.;
Corley, Robin;
Keenan, Janice M.

Publication type:

Article

DeFries–Fulker and Pearson–Aitken Model-fitting Analyses of Reading Performance Data from Selected and Unselected Twin Pairs.

Published in:

Behavior Genetics, 2008, v. 38, n. 2, p. 101, doi. 10.1007/s10519-008-9189-0

By:

Hawke, Jesse L.;
Stallings, Michael C.;
Wadsworth, Sally J.;
DeFries, John C.

Publication type:

Article

QTL Analysis of Multiple Behavioral Measures of Anxiety in Mice.

Published in:

Behavior Genetics, 2004, v. 34, n. 3, p. 267, doi. 10.1023/B:BEGE.0000017872.25069.44

By:

Henderson, Norman D.;
Turri, Maria Grazia;
DeFries, John C.;
Flint, Jonathan

Publication type:

Article

Differential Genetic Etiology of Reading Component Processes as a Function of IQ.

Published in:

Behavior Genetics, 2002, v. 32, n. 3, p. 181, doi. 10.1023/A:1016069012111

By:

Knopik, Valerie S.;
Smith, Shelley D.;
Cardon, Lon;
Pennington, Bruce;
Gayan, Javier;
Olson, Richard K.;
DeFries, John C.

Publication type:

Article

Etiology of Reading Difficulties and Rapid Naming: The Colorado Twin Study of Reading Disability.

Published in:

Behavior Genetics, 2001, v. 31, n. 6, p. 625, doi. 10.1023/A:1013305730430

By:

Davis, Chayna J.;
Gayán, Javier;
Knopik, Valerie S.;
Smith, Shelley D.;
Cardon, Lon R.;
Pennington, Bruce F.;
Olson, Richard K.;
DeFries, John C.

Publication type:

Article